diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/dev_ioctl.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index 75e3e340d884..3ace1e4f6b80 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -259,11 +259,10 @@ static int dev_do_ioctl(struct net_device *dev, return err; } -static int dev_siocdevprivate(struct net_device *dev, - struct ifreq *ifr, unsigned int cmd) +static int dev_siocdevprivate(struct net_device *dev, struct ifreq *ifr, + void __user *data, unsigned int cmd) { const struct net_device_ops *ops = dev->netdev_ops; - void __user *data = ifr->ifr_data; if (ops->ndo_siocdevprivate) { if (netif_device_present(dev)) @@ -273,13 +272,15 @@ static int dev_siocdevprivate(struct net_device *dev, } /* fall back to do_ioctl for drivers not yet converted */ + ifr->ifr_data = data; return dev_do_ioctl(dev, ifr, cmd); } /* * Perform the SIOCxIFxxx calls, inside rtnl_lock() */ -static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd) +static int dev_ifsioc(struct net *net, struct ifreq *ifr, void __user *data, + unsigned int cmd) { int err; struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); @@ -355,7 +356,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd) default: if (cmd >= SIOCDEVPRIVATE && cmd <= SIOCDEVPRIVATE + 15) - return dev_siocdevprivate(dev, ifr, cmd); + return dev_siocdevprivate(dev, ifr, data, cmd); if (cmd == SIOCBONDENSLAVE || cmd == SIOCBONDRELEASE || @@ -424,7 +425,8 @@ EXPORT_SYMBOL(dev_load); * positive or a negative errno code on error. */ -int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_copyout) +int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, + void __user *data, bool *need_copyout) { int ret; char *colon; @@ -475,7 +477,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_c case SIOCETHTOOL: dev_load(net, ifr->ifr_name); rtnl_lock(); - ret = dev_ethtool(net, ifr); + ret = dev_ethtool(net, ifr, data); rtnl_unlock(); if (colon) *colon = ':'; @@ -494,7 +496,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_c if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) return -EPERM; rtnl_lock(); - ret = dev_ifsioc(net, ifr, cmd); + ret = dev_ifsioc(net, ifr, data, cmd); rtnl_unlock(); if (colon) *colon = ':'; @@ -540,7 +542,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_c case SIOCBONDINFOQUERY: dev_load(net, ifr->ifr_name); rtnl_lock(); - ret = dev_ifsioc(net, ifr, cmd); + ret = dev_ifsioc(net, ifr, data, cmd); rtnl_unlock(); if (need_copyout) *need_copyout = false; @@ -565,7 +567,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_c cmd <= SIOCDEVPRIVATE + 15)) { dev_load(net, ifr->ifr_name); rtnl_lock(); - ret = dev_ifsioc(net, ifr, cmd); + ret = dev_ifsioc(net, ifr, data, cmd); rtnl_unlock(); return ret; } |